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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
SCADA systems are specialized utilizations of a process control systems. Which of the terms below can be best defined as manipulation and communication of a process though a control system?
The OSI model describes how a network should be arranged. Which of the layers below defines the media access method and the message frame structure?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a discreet output memory location?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the ability to design the GUI, including configuring tags and introducing specialized scripting?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below should comprise no more than 30% of the total configured alarms?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will typically contain a high level of encryption andsecurity
In the transmission control protocol validates that the destination has received the information packet sent. Which of the header components below is responsible for this verification?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best be used with discrete data where more information is needed?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems based on a mathematical expression and is available to be used on data frames too large for any other method of error checking?
display resolution determines the graphic flexibility of the HMI hardware to be moved to different GUIs? which of the aspect ratios below would be most commonly used for a display?
Which answer below best reflects the baud rate of a serial communication channel that transmits 3 bit symbols at a rate of 3648 bps?
In IPv4, it is possible to divide the class of network into a smaller network. Which of the terms below best describes this process?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of firewall in its connection to the control network?
Baseband NRZ signalling is the standard for all physical connections with Ethernet. Which of the signalling methods below has the disadvantage of losing the clock signal when spaces are transmitted for an extended series?
Every IPv4 address is made up of two distinct components that identifies a specific host and a network segment. Which of the answers below names both of those components?
With IPv4, you would use static address assignment over dynamic for this primary reason?
A typical DCS has at least four layers in it's architecture. Fieldbus and DeviceNet are all under the direct control of which of the layers below?
Which of the answers below is best represented by the number "1" on a typical H1 segment?
Data communication in a DCS takes the form of various net works. Which of the networks below are redundant networks for controller connections?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a discreet input memory location?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an advantage of using encapsulation?
Which of the answers below is not a common fiber optic connector in the instrumentation field? Choose the answer that best applies.
Which of the network components below combines two or more smaller networks working within the ISO physical and data layers?
There are several data access methods used to transmit data. Which of the answers below can be described as a single controlling device commences communication with the responding devices attached to the same network?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an disadvantage of using encapsulation?